Cotton gin



W. W. CONWAY.

comm cm. APPLICATION FILED NOV 2; 192 0.

Patented Feb. 28, 1922.

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Patented Feb. 28, 1922.

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W. W. CONWAY.

COTTON GIN.

APPLlCATlON FILED NOV: 2, I920. 1,408,343, Patented Feb. 28, 1922.

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NVENTOR W. W. CONWAY.

' COTTON GIN.

APPLICATION FILED NOV. 2', 1920.

l ,408,3--13. A Patented Feb. 28, 1922.

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WILEY W. CONWAY, OF HUMBOLDT, ARIZONA.

COTTON GIN.

Application filed November To all whom it may concern:

Be it known that I, lViLnY W. Conway a citizen of the United States, residing at Humboldt, in the county of Yavapai and State of Arizona, have invented new and useful Improvements in Cotton Gins, oi which the following is a specification.

This invention relates to cotton gins, and comprehends certain improvements in Patent No. 1,325,435, issued December 16, 191.).

One of the chiefcharacteristics of the 111-- vention resides in. the provision of a novel construction, of separating bar and grate which is arranged between the ginning rolls and susceptible of reciprocatory movement cooperating with feed bars to separate the fiber from the seed without breaking or otherwise damaging the fiber,

Another object of importance resides in providing the separating and retaining rolls which are arranged in working contacting engagement with'the'ginning rolls, with anendless belt of suitable material to prevent the fiber from passing between the rolls, and thus effectively retaining the'fiber between the endless belt and the ginning rolls.

A further object of the invention resides in the provision of a brush mounted for rotation adjacent each ginning roll, the brush operatingto separate the fiber from the gin ning roll and deposit it into a trough from which it is conveyed to its proper destination by suction. I

The nature and advantages of the invention will be better understood when the fol lowing detailed description is read in con nectlon with the accompanying drawings,v

the invention residing in the construction, combination and arrangement of parts as claimed.

y In the drawings forming part of this application, like numerals of reference incli-v cate similar parts in the several views and whereinr a Figure 1 is a plan viewof the machine.

Figure 2 is a vertical longitudinal sectional view therethrough.

Figure 3 is a transverse vertical sectional View therethrough.

Specification of Letters Patent.

2, 1920. Serial No. 421,306.

ning rolls 10 and 11 respectively, which are arranged in spaced parallel relation, and each of which is covered with rubber or other suitable material 12 to obtain the proper purchase upon the fiber of the cotton as will be readily understood. The ginning rolls are rotated by any suitable means in opposite directions as indicated by the arrow in Figure 3. Arranged above each glnning roll and slightly to one side of the vertical axis thereof is a plurality of sepa rating and retaining rolls 13, preferably three in number, although any number of such rolls may be utilized without depart ing from the spirit of the invention. 'Each group of these rolls are journaled in suitable bearings 14 and are arranged within an endless belt 15, the lower run of the belt being held in effective contacting engagement with the adjacent ginning roll by means of the rolls 13. Byreason of this arrangement, motion to. the, rolls l3 and the endless belt 15 is transmitted from the ginning rolls 10 and 11 respectively. 1

Arranged adjacent each ginning roll is a feed bar 16 which is stationary and bears against the adjacent ginning roll asillustrated. Disposed between the rolls. l0 and 11 is a combined separating bar and grate of substantially triangular formation in cross section and indicated at 17. This eleing arranged for reciprocatory movement between the ginning rolls 10 and 11 respectively. Disposed beneath the bar 18 in parallelism therewith is a shaft 19 supporting a pulley 20, the latter beingprovided with a cam like slotor groove 21 to receive a pin 22 depending from the bar 18. Consequently, when the machine is in motion, the

Patented Feb. 28, 1922.

bar 18 together with the separating bar and grate 17 is moved as a unit between the 'nning rolls in a plane parallel therewith. he opposed side of the element 17 is formed with elongated slots having narrow portlons 23 and relatively wide portions Qet-through which slots the seed after being separated from the fiber pass into the conveyor or trough 24: arranged immediately beneath v the grate, in which is arranged an anger or spiral conveyor 25. The trough 25 is provided with a discharge spout at one side of the machine indicated at 27 The grate is formed at its opposed longitudinal edges with. upturned portions 28v which cooperate with the feed bar 16 to assist separating the feed from. the fiber as will be readily appreciated.

Arranged at the outer side of each ginning roll is a rotary brush 30, these brushes rotating toward each other and arranged in working relation to the ginning rolls to separate the fiber therefrom and deposit the the ginning rolls, the result being that the fiber without being broken or otherwise injured is drawn from the seed and carried around the ginning rolls to a point where it is engaged by the above referred to brushes which separate the fiber from the ginning rolls and deposit the sameinto the casing 31. The; seeds are left at the inner ends of the endless belt 15, and are pre-.

vented from gathering or collecting about the feed bar by the upturned portlons 28 of the combined separating bar and grate which move over the feed bar as shown when the grate is reciprocated. Consequently, the seeds are prevented from being gripped and carried about the ginning rolls by means of the endless belt, the seeds passing through the slot in the grate and thence into the spout 27. The spiralconveyor 25 carries the seed through the trough to the discharge spout 27 The lint is brushed from the fiber, with the result that the full length of the fiber is preserved thereby adding materially to the value of the fiber with regard to the commercial value and price. rranged adjacent the ginning roller are two smaller rollers 35 which contact the ginning roller with pressure or tension so that the cotton is properly separated from the seed. The size of these rollers 35 workng injcon'junction with the large ginning roller makes it impossible for the seed to pass under them' with the cotton, therefore the small rollers strip the fiber from the seed; The circumference of the small rollers is such that the cotton is drawn in so close to the point of contact of the small rollers with the large roller that the fiber or 'cotton is entirely stripped from the seed. For

instance, if the rollers 35 were larger, the

seed would be further away from the contactmgi point of the rollers, with a result that e fiber would not be cleanly separated from the seed, and the larger roller would break the seed and leave them in the cotton. Arranged above the small rollers .35 is a roller 36 which forms a continuous bearing to give the smaller rollers 34 additional strength andproper pressure against the inningroller.

W llile it is believed that from the foregoing description the nature and advantages of the invention will be readily apparent, I desire to have it understood that I do not limit myself to what is herein shown and described and that such changes may be resorted to when desired as fall within the scope of what is claimed.

What is claimed is:

1. A cotton gin comprising a pair of ginning rolls, means for rotating said rolls in opposite directions, a seed trough arranged between the rolls, means for-separating the seed from the fiber, series of retaining rolls in working and driving contact with said ginning rolls, and an endless belt arranged over each series of said retaining rolls for the purpose specified. 1

2. A cotton gin comprising a pairof ginning rolls, means for rotating saidrolls in opposite directions, a seed trougharranged between the rolls, a series of relatively small retaining rollers in working and driving contact with said ginning rolls, an endless belt arranged over each series of retainlng rollers, brushes arranged at the outer sides of the ginning rolls, and means for rotating the brushes toward each other and a casing arranged beneath said rolls and a portion encircling said brushes. i

3. A cotton gin comprising rotary ginning rolls, means for rotating said rolls in opposite directions, a series of retaining rollers arranged above each ginning roll and working in driving contact with said ginning rolls, an endless'belt about each series of retaining rollers, and a combined separating bar and grate arranged between the ginning rolls'and capable of reciprocatory movement.

4. A cotton gin comprising a pair of ginningrolls, means for rotating said rolls in opposite directions, a. series of retaining rollers arranged above each ginning roll and working in driving contact with the latter, an endless belt around theretaining rollers, a combined separating bar and grate arranged between the ginning rolls, means for moving said bar and grate in a plane parallel with said rolls, atrough arranged beneath said grate, and a conveyor in said trough.

5. A cotton gin comprisinglapair of ginning rolls, meansforrotating said rolls in opposite directions, a series of retaining rollers arranged aboveeach ginning roll and working in driving contact with the latter, a bar arranged between said rolls and mounted for reciprocatory .movement ina plane with the rolls, a grate carried by said bar, a pulley rotatably mounted beneath the bar and having a cam like groove, and a pin extending from said bar and fitted within said groove to reciprocate said bar for the purpose specified.

6. A cotton gin comprising a pair of ginning rolls, means for rotating said rolls in opposite directions, a series of retaining rollers arranged above each ginning roll and working in driving contact with the latter, an endless belt around each series of retaining rollers, a bar arranged between the ginning rolls and capable of reciprocatory movement, means for reciprocating said ban a grate carried by said bar, said grate having a plurality of slots, a trough arranged beneath said grate, and a conveyor operating Within said trough.

7. A cotton gin comprising a pair of: ginning rolls, a series of retaining rollers arranged above each ginning roll, and Working in driving contact with the latter, an endless belt around said retaining rollers, a bar arranged between the rolls and mounted for reciprocatory movement, stationary feed bars bearing against the ginning rolls, a grate carried by said bar of angular formation in cross section, said grate including upturned portions slidably contacting the feed bars as and for the purpose specified.

In testimony whereof I affix my signature.

WILEY l/V. OONVVAY. 

